Features
• 0805 Size. Rated current up to 2A.
• Effective for filtering noise on power (Vcc)
lines.
Applications
• PCs, Laser Printers, Cellular Phone,
Power/ Signal Lines for LCD Display,
Office Equipments
•
AV Power Supply/ Signal Line, TV, VCR, etc.
• High Current Signal Lines
How to Order
Old
P/N
KNH 21 104 - 3
① ② ③ ④
New P/N
KNH 21 C104 DA 3T
① ② ⑤ ⑥ ⑦
①Series
②Size 21 2012
③Capacitance 104
100,000pF
471 470pF
473
47,000pF
221 220pF
④
Quantity per Reel
33000 pcs. (Std.)
⑤Capacitance
C104
100,000pF
C473
47,000pF
C471
470pF
C221
220pF
⑥Application DA
Digital Circuit in General
⑦Packaging 3T T&R: 3000 pcs. (Std.)
Pb Free
RoHS Compliant
Dimensions (Unit: mm)
CODE L W
KNH21 2.0±0.2 1.25±0.2
CODE T G
KNH21 0.85±0.15 0.40±0.30
Specifications
Part Number Capacitance
(+50/ −20%)
Rated
Current
Rated
Voltage
Temp. Coefficient
of Capacitance
Old: KNH21104
New: KNH21C104DA 100,000pF 2.0A 25VDC ±15%
Old: KNH21473
New: KNH21C473DA 47,000pF 2.0A 50VDC ±15%
Old: KNH21471
New: KNH21C471DA 470pF 1.0A 50VDC ±60ppm/ °C
Old: KNH21221
New: KNH21C221DA 220pF 1.0A 50VDC ±60ppm/ °C
Attenuation Characteristics
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1
Recommended Land Pattern
(Unit: mm)
Packaging Specification
• Taping (3000/ reel) (Unit: mm)
<Electrical Characteristics>
• Wide attenuation range including surrounding
circuit.
Attenuation Effect of Power Supply Noise
25
60
55
50
45
40
35
30 925825725625525
FREQ. (MHz)
Spectrum attenuation (dBuV)
425325225125
Original
Filter passed
Original
Filter passed
25
60
55
50
45
40
35
30 925825725625525
FREQ. (MHz)
Spectrum attenuation (dBuV)
425325225125
Test Circuit
EMI Filters
KNH21 Series
